I have two pairs of Klipsch speakers. The serial numbers are 97U575 and 97U576 for two that we just took down. Two more are hanging on the wall so I can’t see number. What do you think these are worth? All four are the same size. 21.5” high, 13” deep, and 15.5” wide. Thank you so much. I am in the Charleston, SC area.
Debbie